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Radiant|Lab Grown|IGI

6.63ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840639638

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG840639638

Diamond specifications and retailer prices

From $3,665 SGD
$2,867 USD
As of October 31, 2026
Save $11,765 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,430 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.63ct lab-grown radiant diamond

This 6.63ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840639638 or 840639638. Listed at 16 retailers as of October 30, 2026, with prices from $3,665 to $15,430, a $11,765 spread on the same certified stone. Brilliant Earth lists it at $15,430. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.63
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840639638
Dimensions13.20 × 9.07 × 6.10 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.20 mm9.07 mm6.63 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840639638
Side View
Table 65.0%Crown 44.4°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $15,430 SGD|Low: $3,665 SGD|High: $23,024 SGD|Avg: $8,198 SGD|-33.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 6$3,665 SGD
Retailer 11$3,941 SGD
Retailer 16$4,001 SGD
Retailer 10$5,126 SGD
Retailer 14$5,423 SGD
Retailer 15$5,570 SGD
Retailer 9$5,740 SGD
Retailer 3$6,662 SGD
Retailer 5$7,045 SGD
Retailer 4$7,209 SGD
Retailer 12$7,345 SGD
Retailer 2$8,382 SGD
Retailer 13$10,217 SGD
Retailer 8$10,313 SGD
Retailer 7$13,241 SGD
Brilliant Earth$15,430 SGD

27 data points across 16 retailers

16 retailers$3,665 SGD to $15,430 SGD

A
Cheapest Retailer
-
$3,665 SGD
$2,867 USD
Final sale: no returns
A
Retailer 2
-
$3,941 SGD
£2,427 GBP
View
A
Retailer 3
-
$4,001 SGD
$3,130 USD
View
B+
Retailer 4
-
$5,126 SGD
£3,157 GBP
View
B+
Retailer 5
-
$5,423 SGD
$4,242 USD
View
B+
Retailer 6
-
$5,570 SGD
$4,357 USD
View
B+
Retailer 7
-
$5,740 SGD
€4,276 EUR
View
B+
Retailer 8
-
$6,662 SGD
$5,211 USD
View
Retailer 9
-
$7,045 SGD
A$8,478 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$7,209 SGD
£4,440 GBP
View
B+
Retailer 11
-
$7,345 SGD
ZAR 92,822 ZAR
View
B+
Retailer 12
-
$8,382 SGD
A$10,087 AUD
View
B
Retailer 13
-
$10,217 SGD
£6,293 GBP
View
B
Retailer 14
-
$10,313 SGD
$8,067 USD
View
B
Retailer 15
-
$13,241 SGD
$10,358 USD
View
Most Expensive
B
Brilliant Earth
21675069A · Oct 30
$15,430 SGD
$12,070 USD
View
15 more retailers have this diamond
Prices start from $3,665 SGDSave up to $11,765 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.63ct Radiant
$3,665 SGD